| 摘要 |
1483939 Regeneration of alkylation catalysts UNION CARBIDE CORP 26 Sept 1974 [27 Sept 1973] 41844/74 Heading BIE [Also in Division C5] Regenerating a hydrocarbon alkylation catalyst comprising a hydrogenation component selected from Ni, Pt, Pd, Ru and Rh and a zeolite molecular sieve having a SiO 2 / Al 2 O 3 ratio of at least 2 and an alkali metal content of less than 3.5 wt.% (e.g. zeolite Y) by hydrogenation at 80-572‹F with a liquid solution of hydrogen in a C 4 -C 12 saturated hydrocarbon, e.g. isobutane. |
